From: Martin Kaiser <martin@kaiser.cx> To: Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <kernel@pengutronix.de>, Steffen Trumtrar <s.trumtrar@pengutronix.de> Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Martin Kaiser <martin@kaiser.cx> Subject: [PATCH 2/2] ARM: i.MX25: globally disable supervisor protect Date: Tue, 31 Jan 2017 20:20:02 +0100 [thread overview] Message-ID: <1485890402-22974-2-git-send-email-martin@kaiser.cx> (raw) In-Reply-To: <1485890402-22974-1-git-send-email-martin@kaiser.cx> The problem described in 6befda9a272b98bfb1dc772efc3564644cbfb270 for the i.MX53 platform applies to i.MX25 as well. E.g. CSPI1+SDMA and SSI1+SDMA are not working with the default AIPS configuration. Modifiy the AIPS configuration to allow access to the bus by SDMA and peripherals. Signed-off-by: Martin Kaiser <martin@kaiser.cx> --- arch/arm/mach-imx/mach-imx25.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mach-imx/mach-imx25.c b/arch/arm/mach-imx/mach-imx25.c index 32dcb5e..353b86e 100644 --- a/arch/arm/mach-imx/mach-imx25.c +++ b/arch/arm/mach-imx/mach-imx25.c @@ -23,6 +23,11 @@ static void __init imx25_init_early(void) mxc_set_cpu_type(MXC_CPU_MX25); } +static void __init imx25_dt_init(void) +{ + imx_aips_allow_unprivileged_access("fsl,imx25-aips"); +} + static void __init mx25_init_irq(void) { struct device_node *np; @@ -41,6 +46,7 @@ static const char * const imx25_dt_board_compat[] __initconst = { DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)") .init_early = imx25_init_early, + .init_machine = imx25_dt_init, .init_late = imx25_pm_init, .init_irq = mx25_init_irq, .dt_compat = imx25_dt_board_compat, -- 2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: martin@kaiser.cx (Martin Kaiser) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] ARM: i.MX25: globally disable supervisor protect Date: Tue, 31 Jan 2017 20:20:02 +0100 [thread overview] Message-ID: <1485890402-22974-2-git-send-email-martin@kaiser.cx> (raw) In-Reply-To: <1485890402-22974-1-git-send-email-martin@kaiser.cx> The problem described in 6befda9a272b98bfb1dc772efc3564644cbfb270 for the i.MX53 platform applies to i.MX25 as well. E.g. CSPI1+SDMA and SSI1+SDMA are not working with the default AIPS configuration. Modifiy the AIPS configuration to allow access to the bus by SDMA and peripherals. Signed-off-by: Martin Kaiser <martin@kaiser.cx> --- arch/arm/mach-imx/mach-imx25.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mach-imx/mach-imx25.c b/arch/arm/mach-imx/mach-imx25.c index 32dcb5e..353b86e 100644 --- a/arch/arm/mach-imx/mach-imx25.c +++ b/arch/arm/mach-imx/mach-imx25.c @@ -23,6 +23,11 @@ static void __init imx25_init_early(void) mxc_set_cpu_type(MXC_CPU_MX25); } +static void __init imx25_dt_init(void) +{ + imx_aips_allow_unprivileged_access("fsl,imx25-aips"); +} + static void __init mx25_init_irq(void) { struct device_node *np; @@ -41,6 +46,7 @@ static const char * const imx25_dt_board_compat[] __initconst = { DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)") .init_early = imx25_init_early, + .init_machine = imx25_dt_init, .init_late = imx25_pm_init, .init_irq = mx25_init_irq, .dt_compat = imx25_dt_board_compat, -- 2.1.4
next prev parent reply other threads:[~2017-01-31 19:22 UTC|newest] Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-01-31 19:20 [PATCH 1/2] ARM: dts: i.MX25: add AIPS control registers Martin Kaiser 2017-01-31 19:20 ` Martin Kaiser 2017-01-31 19:20 ` Martin Kaiser 2017-01-31 19:20 ` Martin Kaiser [this message] 2017-01-31 19:20 ` [PATCH 2/2] ARM: i.MX25: globally disable supervisor protect Martin Kaiser 2017-02-01 7:09 ` [PATCH 1/2] ARM: dts: i.MX25: add AIPS control registers Sascha Hauer 2017-02-01 7:09 ` Sascha Hauer 2017-02-01 7:09 ` Sascha Hauer 2017-02-01 22:16 ` [PATCH v2] " Martin Kaiser 2017-02-01 22:16 ` Martin Kaiser 2017-02-01 22:16 ` Martin Kaiser 2017-02-02 7:09 ` Sascha Hauer 2017-02-02 7:09 ` Sascha Hauer 2017-02-02 7:09 ` Sascha Hauer 2017-02-03 12:59 ` [PATCH v3] " Martin Kaiser 2017-02-03 12:59 ` Martin Kaiser 2017-02-03 12:59 ` Martin Kaiser 2017-02-03 17:27 ` Sascha Hauer 2017-02-03 17:27 ` Sascha Hauer 2017-02-03 17:27 ` Sascha Hauer 2017-04-03 19:47 ` [PATCH 1/2 v4] " Martin Kaiser 2017-04-03 19:47 ` Martin Kaiser 2017-04-03 19:47 ` Martin Kaiser 2017-04-03 19:47 ` [PATCH 2/2 v2] ARM: i.MX25: globally disable supervisor protect Martin Kaiser 2017-04-03 19:47 ` Martin Kaiser 2017-04-04 13:14 ` Shawn Guo 2017-04-04 13:14 ` Shawn Guo 2017-04-04 13:14 ` Shawn Guo 2017-04-04 13:13 ` [PATCH 1/2 v4] ARM: dts: i.MX25: add AIPS control registers Shawn Guo 2017-04-04 13:13 ` Shawn Guo 2017-04-04 13:13 ` Shawn Guo
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